diff options
Diffstat (limited to 'sound/soc/codecs/ak4671.c')
-rw-r--r-- | sound/soc/codecs/ak4671.c | 141 |
1 files changed, 30 insertions, 111 deletions
diff --git a/sound/soc/codecs/ak4671.c b/sound/soc/codecs/ak4671.c index 87566932a3b..239f0562003 100644 --- a/sound/soc/codecs/ak4671.c +++ b/sound/soc/codecs/ak4671.c @@ -23,11 +23,11 @@ #include "ak4671.h" -static struct snd_soc_codec *ak4671_codec; /* codec private data */ struct ak4671_priv { - struct snd_soc_codec codec; + enum snd_soc_control_type control_type; + void *control_data; u8 reg_cache[AK4671_CACHEREGNUM]; }; @@ -619,8 +619,8 @@ static struct snd_soc_dai_ops ak4671_dai_ops = { .set_fmt = ak4671_set_dai_fmt, }; -struct snd_soc_dai ak4671_dai = { - .name = "AK4671", +static struct snd_soc_dai_driver ak4671_dai = { + .name = "ak4671-hifi", .playback = { .stream_name = "Playback", .channels_min = 1, @@ -635,27 +635,19 @@ struct snd_soc_dai ak4671_dai = { .formats = AK4671_FORMATS,}, .ops = &ak4671_dai_ops, }; -EXPORT_SYMBOL_GPL(ak4671_dai); -static int ak4671_probe(struct platform_device *pdev) +static int ak4671_probe(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec; - int ret = 0; - - if (ak4671_codec == NULL) { - dev_err(&pdev->dev, "Codec device not registered\n"); - return -ENODEV; - } + struct ak4671_priv *ak4671 = snd_soc_codec_get_drvdata(codec); + int ret; - socdev->card->codec = ak4671_codec; - codec = ak4671_codec; + codec->hw_write = (hw_write_t)i2c_master_send; + codec->bias_level = SND_SOC_BIAS_OFF; - /* register pcms */ - ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); + ret = snd_soc_codec_set_cache_io(codec, 8, 8, ak4671->control_type); if (ret < 0) { - dev_err(codec->dev, "failed to create pcms: %d\n", ret); - goto pcm_err; + dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); + return ret; } snd_soc_add_controls(codec, ak4671_snd_controls, @@ -665,121 +657,48 @@ static int ak4671_probe(struct platform_device *pdev) ak4671_set_bias_level(codec, SND_SOC_BIAS_STANDBY); return ret; - -pcm_err: - return ret; } -static int ak4671_remove(struct platform_device *pdev) +static int ak4671_remove(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - - snd_soc_free_pcms(socdev); - snd_soc_dapm_free(socdev); - + ak4671_set_bias_level(codec, SND_SOC_BIAS_OFF); return 0; } -struct snd_soc_codec_device soc_codec_dev_ak4671 = { +static struct snd_soc_codec_driver soc_codec_dev_ak4671 = { .probe = ak4671_probe, .remove = ak4671_remove, + .set_bias_level = ak4671_set_bias_level, + .reg_cache_size = AK4671_CACHEREGNUM, + .reg_word_size = sizeof(u8), + .reg_cache_default = ak4671_reg, }; -EXPORT_SYMBOL_GPL(soc_codec_dev_ak4671); - -static int ak4671_register(struct ak4671_priv *ak4671, - enum snd_soc_control_type control) -{ - int ret; - struct snd_soc_codec *codec = &ak4671->codec; - - if (ak4671_codec) { - dev_err(codec->dev, "Another AK4671 is registered\n"); - ret = -EINVAL; - goto err; - } - - mutex_init(&codec->mutex); - INIT_LIST_HEAD(&codec->dapm_widgets); - INIT_LIST_HEAD(&codec->dapm_paths); - - snd_soc_codec_set_drvdata(codec, ak4671); - codec->name = "AK4671"; - codec->owner = THIS_MODULE; - codec->bias_level = SND_SOC_BIAS_OFF; - codec->set_bias_level = ak4671_set_bias_level; - codec->dai = &ak4671_dai; - codec->num_dai = 1; - codec->reg_cache_size = AK4671_CACHEREGNUM; - codec->reg_cache = &ak4671->reg_cache; - - memcpy(codec->reg_cache, ak4671_reg, sizeof(ak4671_reg)); - - ret = snd_soc_codec_set_cache_io(codec, 8, 8, control); - if (ret < 0) { - dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); - goto err; - } - - ak4671_dai.dev = codec->dev; - ak4671_codec = codec; - - ret = snd_soc_register_codec(codec); - if (ret != 0) { - dev_err(codec->dev, "Failed to register codec: %d\n", ret); - goto err; - } - - ret = snd_soc_register_dai(&ak4671_dai); - if (ret != 0) { - dev_err(codec->dev, "Failed to register DAI: %d\n", ret); - goto err_codec; - } - - return 0; - -err_codec: - snd_soc_unregister_codec(codec); -err: - kfree(ak4671); - return ret; -} - -static void ak4671_unregister(struct ak4671_priv *ak4671) -{ - ak4671_set_bias_level(&ak4671->codec, SND_SOC_BIAS_OFF); - snd_soc_unregister_dai(&ak4671_dai); - snd_soc_unregister_codec(&ak4671->codec); - kfree(ak4671); - ak4671_codec = NULL; -} static int __devinit ak4671_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct ak4671_priv *ak4671; - struct snd_soc_codec *codec; + int ret; ak4671 = kzalloc(sizeof(struct ak4671_priv), GFP_KERNEL); if (ak4671 == NULL) return -ENOMEM; - codec = &ak4671->codec; - codec->hw_write = (hw_write_t)i2c_master_send; - i2c_set_clientdata(client, ak4671); - codec->control_data = client; - - codec->dev = &client->dev; + ak4671->control_data = client; + ak4671->control_type = SND_SOC_I2C; - return ak4671_register(ak4671, SND_SOC_I2C); + ret = snd_soc_register_codec(&client->dev, + &soc_codec_dev_ak4671, &ak4671_dai, 1); + if (ret < 0) + kfree(ak4671); + return ret; } static __devexit int ak4671_i2c_remove(struct i2c_client *client) { - struct ak4671_priv *ak4671 = i2c_get_clientdata(client); - - ak4671_unregister(ak4671); - + snd_soc_unregister_codec(&client->dev); + kfree(i2c_get_clientdata(client)); return 0; } @@ -791,7 +710,7 @@ MODULE_DEVICE_TABLE(i2c, ak4671_i2c_id); static struct i2c_driver ak4671_i2c_driver = { .driver = { - .name = "ak4671", + .name = "ak4671-codec", .owner = THIS_MODULE, }, .probe = ak4671_i2c_probe, |